Usage: It’s a kind of multi-nutrition fertilizer which contains MgO S and K2O.It can promote photosynthesis of plants,metabolism of fat and carbohydrate.It has been used widely in the tropics and subtropics areas of China where soil is poor.In that areas the sulfate decompose easily then the sulfate loss from field.It can improve soil and promote crops yield by using kieserite rationally.It has been proved that natural kieserite can increase yield 10～30% to palm tree,rubber tree,palm date tree,pineapple tree, banana tree,sugar-cane,peanut,soybean,sweet potato,potato,rice,tobacco and so on.